The business's own details, read by every page, email, PDF and number.
Trading identity on top (A2 spec 3b item 7), then ECSB's identity and payment kept as they are, one sender block in place of email per brand, the three blank tax fields with their notes rewritten, and Lab budget categories. Refund promise and client credit moved to Rules; brand switches and the per-brand prep text are gone. Every bracketed value is filled by Earl from ops/business-entity.md — none is shown here.
MapCompany settings; Branding (trading name and location line as the header's two lines; document prefix)